77579960513347 has 2 divisors, whose sum is σ = 77579960513348. Its totient is φ = 77579960513346.

The previous prime is 77579960513213. The next prime is 77579960513359. The reversal of 77579960513347 is 74331506997577.

It is a strong prime.

It is an emirp because it is prime and its reverse (74331506997577) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77579960513347 - 2¹⁵ = 77579960480579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77579960513347.

It is not a weakly prime, because it can be changed into another prime (77579960543347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38789980256673 + 38789980256674.

It is an arithmetic number, because the mean of its divisors is an integer number (38789980256674).

Almost surely, 2^{77579960513347} is an apocalyptic number.

77579960513347 is a deficient number, since it is larger than the sum of its proper divisors (1).

77579960513347 is an equidigital number, since it uses as much as digits as its factorization.

77579960513347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050197400, while the sum is 73.

The spelling of 77579960513347 in words is "seventy-seven trillion, five hundred seventy-nine billion, nine hundred sixty million, five hundred thirteen thousand, three hundred forty-seven".